Question

2. Which of the following is not an example of a useful change?
A Cutting metals to build bridges
B. Heating metals to make knives.
C. Pressing metals to make a roof.
D. Bending of metals during a car collision​

Answer 1

Answer:

C. Pressing metals to make a roof.

Explanation:

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Answer 2

Answer:

Bending metals during a car collision.

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